Home / 276,050.30-380,940.54-155,196.66

Finding the Fourth Proportional to 276,050.30, 380,940.54 and 155,196.66

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Solution

The fourth proportional to 276,050.30, 380,940.54 and 155,196.66 is: 214,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,050.30 : 380,940.54 = 155,196.66 : x
  2. Step 2: Convert to fraction form
    276,050.30/380,940.54 = 155,196.66/x
  3. Step 3: Cross multiply
    276,050.30x = 380,940.54 × 155,196.66
  4. Step 4: Simplify right side
    276,050.30x = 59,120,699,466.60
  5. Step 5: Solve for x
    x = 59,120,699,466.60/276,050.30
  6. Step 6: Final answer
    x = 214,166.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.